2026 Ontario Construction Act -Detailed Changes & Compliance
Missing key timelines or procedural steps under the 2026 amendments results in payment exposure, disputes, or loss of rights.
BEFORE vs AFTER COMPARISON
The 2026 amendments introduce significant changes to payment, holdbacks, liens, adjudication and dispute resolution.
The table below highlights key differences.
CRITICAL TIMELINES
7-Day Invoice Review (Owners)
Holdback Release (Owners & Contractors)
Prompt Payment Flow (All Parties)
Owners must review and accept or reject invoices within 7 days, failing which payment obligations may be triggered.
Failure to respond may trigger automatic payment exposure
Prompt Payment Flow (All Parties)
Holdback Release (Owners & Contractors)
Prompt Payment Flow (All Parties)
Payment timelines now cascade across:
owners → contractors → subcontractors, requiring strict coordination.
Delays cascade across the full payment chain
Holdback Release (Owners & Contractors)
Holdback Release (Owners & Contractors)
Holdback Release (Owners & Contractors)
Updated requirements require accurate tracking of:
a) Project milestones
b) Notices
c) Release conditions
Requires active tracking and release control
Lien-Related Timelines (All Parties)
Holdback Release (Owners & Contractors)
Holdback Release (Owners & Contractors)
Changes to timing and procedural steps increase the importance of:
a) Accurate documentation
b) Deadline tracking
Timing errors results in loss of rights
KEY AREAS IMPACTED
Invoices & Payments
Invoices & Payments
Invoices & Payments
Owner-driven timelines affecting all downstream payments
Holdbacks
Invoices & Payments
Invoices & Payments
Managed across owners and contractors with stricter expectations
Liens
Invoices & Payments
Adjudication
Critical protection mechanism requiring precise timing
Adjudication
Invoices & Payments
Adjudication
Expanded framework with private adjudicators (ODAC-authorized)
REQUIRED ACTIONS
ACT ALIGNMENT & REFERENCE STRUCTURE
ACT ALIGNMENT & REFERENCE STRUCTURE
Owners
- Implement 7-day invoice review controls
- Ensure timely decisions to avoid exposure
Contractors
- Manage upstream approvals and downstream payments
- Track holdbacks and subcontractor obligations
Subcontractors
- Monitor payment timelines
- Protect rights through lien tracking
All Parties
- Maintain documentation and records
- Prepare for adjudication if required
- Ensure compliance with inspection requirements
ACT ALIGNMENT & REFERENCE STRUCTURE
ACT ALIGNMENT & REFERENCE STRUCTURE
ACT ALIGNMENT & REFERENCE STRUCTURE
This Compliance Kit is built with direct alignment to the Ontario Construction Act, allowing users to move easily between guidance and legislation.
Key features include:
- Clause-level references to Act provisions
- Structured reference tables for quick lookup
- Cross-referenced sections covering:
- Invoices
- Holdbacks
- Liens
- Adjudication
This ensures the guide functions as both:
✔ A practical compliance tool
✔ A structured legislative reference
WHY THIS KIT MATTERS
This Compliance Kit helps organizations:
- Avoid costly compliance mistakes
- Align with 2026 legislative requirements
- Support internal controls and documentation
- Reference relevant Act clauses when needed
- Navigate changes with clarity and structure
Access & Availability
To secure your copy of the Practical Compliance Kit – 2026 Amendments, the document is available for immediate delivery upon confirmation.
Preferred Release Price (Limited): $195 CAD + applicable taxes
Standard Price: $245 CAD + applicable taxes
Request & Purchase: Invoice & payment details will be forwarded
upon receiving this request.
Delivery: Immediate upon payment confirmation
- Email: tna@tna-gc.ca
- Online: www.tna-gc.ca
- Phone: +1 (905) 616-0200
TNA Global Consult Inc.
2275 Upper Middle Rd East, Suite 101,
Oakville, Ontario
L6H 0E3 - Canada
TNA Global Consult Inc.
2275 Upper Middle Rd East, Suite 101,
Oakville, Ontario
L6H 0E3 - Canada
tna@tna-gc.ca - www.tna-gc.ca Phone: +1 (905) 616-0200
